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Operators and Matrices

Volume: 18

Year: 2024

Articles

Issue: 1 (March, 2024)
Article number / DOI Authors / Title Pages Abstract Article
18-01 Hang Zhou: Hyponormality of specific unbounded product of densely defined composition operators in L2 spaces 1–22 View View
18-02 Yuqiu Sheng, Wende Liu, Xingxue Miao: Lie superalgebras based on 𝔰𝔩(2,𝔽) 23–36 View View
18-03 Johanns de Andrade Bezerra: Remarks on the product of two projections 37–52 View View
18-04 Jian-Zhong Xiao, Feng-Qin Zhu: The Aleksandrov problem and the Tingley problem for expansive and nonexpansive operators in p-normed spaces 53–67 View View
18-05 Saeedatossadat Nourbakhsh, Mahmoud Hassani, Mohsen Erfanian Omidvar, Hamid Reza Moradi: Inner product inequalities through Cartesian decomposition with applications to numerical radius inequalities 69–81 View View
18-06 Messaoud Guesba, Pintu Bhunia, Kallol Paul: Berezin number inequalities via positivity of 2 × 2 block matrices 83–95 View View
18-07 R. Balaji, Vinayak Gupta: On distance Laplacian matrices of weighted trees 97–114 View View
18-08 Zuowei Zhang, Xia Zhao: The inheritance of m-comparison from the containing C*-algebra to a large subalgebra 115–127 View View
18-09 Messaoud Guesba, Mohammad Sababheh: On the Berezin number of operator matrices 129–146 View View
18-10 Anuradha Gupta, Amita Aggarwal: Hyponormality of the sum of Toeplitz operators with non-harmonic symbol on the Fock space 147–162 View View
18-11 Wenhua Qian, Dandan Xiao, Tanghong Tao, Wenming Wu, Xin Yi: Joint spectrum shrinking maps on projections 163–172 View View
18-12 Huanyin Chen, Marjan Sheibani Abdolyousefi: Generalized core inverse in Banach ∗-algebras 173–189 View View
18-13 Albrecht Seelmann: Relative residual bounds for eigenvalues in gaps of the essential spectrum 191–203 View View
18-14 Debendra P. Banjade, Amy Chambers, Menassie Ephrem: On singularities of labeled graph C*-algebras 205–234 View View
18-15 Vali M. Kurbanov, Elchin J. Ibadov: On the properties of the systems of root vector functions of Dirac-type operator with summable potential 235–256 View View
18-16 Mohammad Sababheh, Ibrahim Halil Gümüş, Hamid Reza Moradi: Further properties of PPT and (α,β)-normal matrices 257–271 View View